Implantable medical devices and methods including post-procedural system diagnostics

Abstract

Aspects herein include an implantable medical device, such as an implantable cardiac rhythm management device. The implantable medical device can include a housing, control circuitry disposed within the housing, and telemetry circuitry in electrical communication with the control circuitry. The control circuitry can be configured to execute a post-procedural system check procedure after the expiration of a preselected first time period. The first time period can be greater than or equal to 0.5 hours and less than or equal to 48 hours. In various aspects, the post-procedural system check procedure can include measuring diagnostic properties for one or more electrodes of an electrical stimulation lead attached to the implantable medical device. The first time period can begin to elapse after detection of a triggering event or a command by a system operator.

The invention claimed is: 
     
       1. An implantable cardiac rhythm management device comprising
 a housing; 
 control circuitry disposed within the housing; 
 telemetry circuitry in electrical communication with the control circuitry; and 
 a magnetic field sensor in electrical communication with the control circuitry; 
 wherein the control circuitry is configured to execute a post-procedural system check procedure after a expiration of a preselected first time period, wherein the first time period is longer than 0.5 hours and less than 48 hours; 
 the post-procedural system check procedure comprising measuring diagnostic properties for one or more of a plurality of electrodes of an electrical stimulation lead attached to the implantable cardiac rhythm management device; 
 wherein the first time period begins to elapse based on detection of a triggering event by the magnetic field sensor. 
 
     
     
       2. The implantable cardiac rhythm management device of  claim 1 , the triggering event comprising detecting an MRI time varying magnetic field. 
     
     
       3. The implantable cardiac rhythm management device of  claim 1 , the triggering event comprising initiation of a magnet pacing mode. 
     
     
       4. The implantable cardiac rhythm management device of  claim 1 , the diagnostic properties comprising at least one selected from the group consisting of an impedance test, an intrinsic amplitude test, and a pacing threshold test. 
     
     
       5. The implantable cardiac rhythm management device of  claim 1 , wherein the control circuitry is configured to send an indication of a current status and/or data from the post-procedural system check if the implantable cardiac rhythm management device is interrogated during the post-procedural system check. 
     
     
       6. The implantable cardiac rhythm management device of  claim 1 , wherein the control circuitry is configured to report results of the post-procedural system check procedure via the telemetry circuitry to an external device at a next communication request. 
     
     
       7. The implantable cardiac rhythm management device of  claim 6 , wherein the external device is in a proximity of the patient in which the implantable cardiac rhythm management device is implanted, but is remote from a care provider. 
     
     
       8. The implantable cardiac rhythm management device of  claim 1 , wherein the first time period is greater than or equal to 2 hours and less than or equal to 24 hours. 
     
     
       9. The implantable cardiac rhythm management device of  claim 1 , wherein a default length of the first time period is stored by the control circuitry prior to the device exiting a storage mode. 
     
     
       10. The implantable cardiac rhythm management device of  claim 1 , the triggering event comprising initiation of an asynchronous pacing mode at a particular rate of 120-70 ppm.